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Claire Cook

Head of Brand Marketing at Atlassian
MBA 2025
Claire Cook

Claire Cook is a seasoned professional in the world of brand marketing, currently serving as the Head of Brand Marketing at Atlassian, a leading provider of team collaboration software including Jira, Trello, and Confluence.

Prior to her tenure at Atlassian, Claire was a Senior Marketing and Communications Manager at Girls Who Code, where she spearheaded go-to-market initiatives for their New York Times best-selling book series and orchestrated impactful programs aimed at empowering middle and high school girls through technology. Before her time with Girls Who Code, Claire made waves in the entertainment industry as the marketing manager for One Direction's first two albums, cultivating an incredibly devoted fan base for the iconic boy band.

Outside of her professional endeavors, Claire is pursuing an Executive MBA in Sustainability at Yale School of Management and is a Marketing Advisor at Time4Good and Yale’s Center for Business and the Environment. She calls Brooklyn home, where she resides with her husband, Pete, and their beloved chihuahua, Igby. Passionate about holistic wellness, Claire channels her energy into teaching yoga, tackling marathons, and writing. Her writing has been featured in The LA Times, Brit + Co, Huffington Post, I Am That Girl, and RAW Beauty Talks.